On today's show, Khail and Ashley marvel at tiny robots made to collect samples inside your body and dissolve after they're done, start saving up to stay at the Godzilla Hotel in Tokyo, and show you a retired engineer's violin-playing robot.

John Hopkins University scientists are currently working on what they're calling "micrograbbers" made of hydrogel and stiff polymers. Someday, they hope to send these tiny objects into your body to perform procedures that might otherwise be invasive.

Now's the time to plan that romantic Valentine's Day getaway for you and your sweetheart. Beat overpriced hotel rates by searching for last-minute deals online. In this Tech Minute, CNET's Kara Tsuboi introduces us to new resources for saving money on weekends away.